EP1031319B1 - Lancette avec raccord amovible - Google Patents

Lancette avec raccord amovible Download PDF

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Publication number
EP1031319B1
EP1031319B1 EP00301395A EP00301395A EP1031319B1 EP 1031319 B1 EP1031319 B1 EP 1031319B1 EP 00301395 A EP00301395 A EP 00301395A EP 00301395 A EP00301395 A EP 00301395A EP 1031319 B1 EP1031319 B1 EP 1031319B1
Authority
EP
European Patent Office
Prior art keywords
holder
lancet
housing
releasable connector
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00301395A
Other languages
German (de)
English (en)
Other versions
EP1031319A1 (fr
Inventor
Richard Wayne Levaughn
John M. Purlee
Christopher John Ruf
William C. Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LifeScan Inc
Original Assignee
LifeScan Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LifeScan Inc filed Critical LifeScan Inc
Publication of EP1031319A1 publication Critical patent/EP1031319A1/fr
Application granted granted Critical
Publication of EP1031319B1 publication Critical patent/EP1031319B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
    • A61B5/15188—Constructional features of reusable driving devices
    • A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
    • A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15103—Piercing procedure
    • A61B5/15107—Piercing being assisted by a triggering mechanism
    • A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
    • A61B5/15117—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
    • A61B5/15188—Constructional features of reusable driving devices
    • A61B5/1519—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for propelling the piercing unit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape

Claims (9)

  1. Lancette (10) pour prélever un échantillon de sang, comprenant un boítier (16) généralement allongé ayant un embout (12) avec un trou traversant (14) au niveau d'une extrémité avant et un obturateur au niveau d'une extrémité arrière, en face de l'extrémité avant, et contenant
    (a) un support de lancette (20) monté de manière coulissante à l'intérieur du boítier (16),
    (b) un premier ressort (22) pour pousser le boítier (20) vers l'avant, ayant une première extrémité qui s'appuie sur le boítier (16) et une seconde extrémité qui s'appuie sur le support (20),
    (c) un curseur (26) monté de manière coulissante dans une paroi du boítier, comprenant
    (i) une projection (26A) en dehors de la paroi et
    (ii) un moyen pousseur (26C) pouvant s'engager de manière réversible dans le support, pour repousser le support dans une position armée et pour pousser une lancette (40) vers l'avant à partir du dispositif,
    (d) un second ressort (24) pour pousser le support vers l'arrière, ayant une première extrémité qui s'appuie sur le support (20) et une seconde extrémité qui s'appuie sur le curseur (26),
    (e) un bouton (30) mobile entre une première position dans laquelle le support est retenu quand le dispositif est armé et une seconde position dans laquelle la retenue est supprimée, permettant au premier ressort (22) de pousser le support vers l'avant, et
    (f) un raccord amovible (28) monté à l'intérieur du boítier pour immobiliser le support quand le curseur est déplacé vers l'avant pour éjecter la lancette du dispositif.
  2. Dispositif selon la revendication 1, comprenant en outre une lancette (40) montée sur le support de lancette, la lancette comprenant une aiguille (42) ayant une pointe pour passer à travers le trou (14) dans l'embout (12) pour réaliser une opération de perçage.
  3. Dispositif selon la revendication 1, dans lequel le raccord amovible (28) comprend un bras cantilever.
  4. Dispositif selon la revendication 1, dans lequel le raccord amovible comprend un bras pivotant (128).
  5. Dispositif selon la revendication 1, dans lequel le raccord amovible comprend un bras à ressort (228).
  6. Dispositif selon la revendication 1, dans lequel le raccord amovible (528) a une surface rugueuse près d'une extrémité avant pour s'engager par friction avec une surface rugueuse (552) sur le support.
  7. Dispositif selon la revendication 1, dans lequel le raccord amovible a au moins une dent (50) près d'une extrémité avant pour s'engager avec au moins une dépression dans le support.
  8. Dispositif selon la revendication 7, dans lequel le raccord amovible a une pluralité de dents asymétriques (50) pour s'engager avec une pluralité de dents asymétriques (52) sur le support.
  9. Dispositif selon la revendication 1, dans lequel le support (20) a une surface déformable de manière réversible qui est déformée par le raccord amovible (428) pour immobiliser de manière réversible le support.
EP00301395A 1999-02-23 2000-02-22 Lancette avec raccord amovible Expired - Lifetime EP1031319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/255,830 US6197040B1 (en) 1999-02-23 1999-02-23 Lancing device having a releasable connector
US255830 1999-02-23

Publications (2)

Publication Number Publication Date
EP1031319A1 EP1031319A1 (fr) 2000-08-30
EP1031319B1 true EP1031319B1 (fr) 2004-11-10

Family

ID=22970050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00301395A Expired - Lifetime EP1031319B1 (fr) 1999-02-23 2000-02-22 Lancette avec raccord amovible

Country Status (9)

Country Link
US (1) US6197040B1 (fr)
EP (1) EP1031319B1 (fr)
JP (1) JP4472094B2 (fr)
KR (1) KR100674398B1 (fr)
CN (1) CN1230121C (fr)
AT (1) ATE281787T1 (fr)
CA (1) CA2299007C (fr)
DE (1) DE60015625T2 (fr)
TW (1) TW443924B (fr)

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JP2000262498A (ja) 2000-09-26
KR20010014499A (ko) 2001-02-26
DE60015625D1 (de) 2004-12-16
DE60015625T2 (de) 2005-11-03
TW443924B (en) 2001-07-01
KR100674398B1 (ko) 2007-01-26
CN1265870A (zh) 2000-09-13
CA2299007C (fr) 2007-08-07
JP4472094B2 (ja) 2010-06-02
CA2299007A1 (fr) 2000-08-23
ATE281787T1 (de) 2004-11-15
CN1230121C (zh) 2005-12-07
EP1031319A1 (fr) 2000-08-30
US6197040B1 (en) 2001-03-06

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